Java/Java_Exception_Handling.java
class MyCalculator {
    long power(int n, int p) throws Exception{
        if(n == 0 && p == 0){
            throw new Exception("n and p should not be zero.");
        }
        
        else if( n < 0 || p < 0){
            throw new Exception("n or p should not be negative.");
        }
        
        return (long) Math.pow(n, p);
    }
}
